#include <iostream>
#include <unistd.h>
#include <vector>
using namespace std;

const int num = 10;

void SubProcessRun()
{
    while(1)
    {
        cout<<"I am sub process,pid:" << getpid() <<",ppid" <<getppid()<< std::endl;
        sleep(1);
    }
}

int main()
{
    vector<pid_t> allchild;
    for(int i = 1;i < num;i++)
    {
        pid_t id = fork();
        if(id == 0)
        {
            //子进程
            SubProcessRun();
        }
        //这里父进程执行
        allchild.push_back(id);
    }

    //父进程
    cout << "我的所有孩子是：";
    for(auto child : allchild)
    {
        cout << child;
    }
    cout << endl;

    while(1)
    {
        cout<<"我是父进程,pid:"<< getpid()<<endl;
        sleep(1);
    }
    return 0;
}
